Radcon relies on free soluble calcium within concrete to create its watertight chemical reaction What can you do on very old slabs, which have leaked for many years leading to all soluble calcium being depleted?

One can re-instate this lost calcium by dissolving “fresh” builders lime in water and applying to cracks prior to Radcon application. The lime must be sourced fresh as oxidised lime “will not” actively dissolve. Handling lime can be quite dangerous, as hot aggressive and alkali corrosive action will take place. ALTERNATIVELY – One may source calcium acetate as the food or trigger for Radcon to replace the lost lime in concrete. Calcium acetate is”food quality” acetate used in baking processes and can usually be sourced from a wholesaler of raw materials to the food industry.

Radcon Formula #7®
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